Check the listing for details. Tzumi PopSolo Portable Wireless Bluetooth Karaoke Microphone Built in Speaker. Color: Gold, Condition: New. Listed at 34.99 USD. Tzumi PopSolo Portable Wireless Bluetooth Karaoke Microphone with Built in SpeakerColor: Gold/WhiteStreams Voice to Your Favorite Android or Mac Karaoke App's, built in 2,200mAh high capacity battery, 5 built in vocal filter.Product Feature:· POP SOLO ADVANTAGE - 1 million+ satisfied singers use our Tzumi POP SOLO brand , join them now.· MULTIFUNCTION DESIGN - 2-in-1, Wireless microphone, and bluetooth speaker that connects effortlessly to your smartphone, tablet, or computer, the Pop Solo is compatible with android or mac operating systems.· POWER & PORTABILITY - Tzumi built in to the karaoke mic/speaker an 2200mAh high capacity battery for up to 5 hours of enjoyable wireless portable entertainment. This Amazing Fun Singing Machine can be used independent of connection to smart Device for full Independence and mobility. · FUN & VOCAL CONTROLS - PopSolo has 5 built in audio filters 1) High Pitch 2) Bass 3) Volume 4) Reverb 5) Accompaniment for lots of fun and full control.